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Recognised as Colour

#179DC3

  • #179DC3
  • Cyan
  • Dark
  • Nearest: Steel blue

#179DC3 is a cyan with RGB values 23, 157, 195 and HSL 193°, 79%, 43%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#179DC3#179DC3
HEX#179DC3
RGBrgb(23, 157, 195)
RGB (0–1)0.0902, 0.6157, 0.7647
RGB percentages9%, 61.6%, 76.5%
HSLhsl(193.3, 78.9%, 42.7%)
HSV / HSBhsv(193.3, 88.2%, 76.5%)
CMYK88.2%, 19.5%, 0%, 23.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,547,715
CSS custom property--colour: #179DC3;

Brightness & contrast

Relative luminance0.28236WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.65:1
Contrast with white3.16:1WCAG normal text: Fail
Contrast with black6.65:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#E8623C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8899C5no red cones; affects about 1% of men; ΔE 24.7 from the original
Deuteranopia#728AC3no green cones; the most common form, about 1% of men; ΔE 26.3 from the original
Tritanopia#00A8A9no blue cones; rare, and affects men and women equally; ΔE 23.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.16:1WCAG large text: AA
Contrast with black, large text6.65:1WCAG large text: AAA

Named colours

Steel blue · ΔE 17.8Deep skyblue · ΔE 18.6Sky blue · ΔE 21.2Cadetblue · ΔE 21.5Light skyblue · ΔE 21.6Dark cyan · ΔE 24
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.8, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C33D17
Analogous#17C393, #1747C3
Triadic#C3179D, #9DC317
Split complementary#C31747, #C39317
Tetradic#9317C3, #C33D17, #47C317

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0E6F6
Lighter +30%#83D8F0
Lighter +20%#55CAEB
Lighter +10%#27BCE6
Darker −10%#127895
Darker −20%#0C5468
Darker −30%#072F3A
Darker −40%#010A0D
More saturated +25%#00AADA
Less saturated −25%#328EA8

Channel breakdown

R23
G157
B195
Red23 (9%)
Green157 (61.6%)
Blue195 (76.5%)
Hue193.26°
Saturation (HSL)78.9%
Lightness42.75%
Dominant channelBlue
Hex per channelR 17 · G 9D · B C3

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Every value on this page was computed from “179dc3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.